HDMI 2.1 Supports Larger Bandwidth, Higher Resolutions

Gwen Vasquez
November 30, 2017

If you're sceptical that a mere TV needs bandwidth that over Ethernet would be suitable for a data centre, think again: the HDMI Forum explained uncompressed 8K high dynamic range (HDR) video is dependent on the boosted bandwidth.

Perhaps just as pleasing to your peepers as the higher resolutions and refresh rates is the delivery of Dynamic HDR to compatible TV screens. But 120Hz-plus displays are already coming in the first quarter of 2018 in the form of glorious G-Sync HDR monitors by Asus and Acer, and Nvidia's next generation of graphics cards - hopefully due sooner than later - will presumably have the power to drive such demanding displays.

In order to fully utilize the HDMI 2.1 spec, you'll need to replace your existing HDMI cables with an Ultra High Speed HDMI Cable, which has been designed by the HDMI Forum.

HDMI 2.1 Supports Larger Bandwidth, Higher Resolutions

It was announced way back in January at CES 2017 by the HDMI forum, the governing body comprising 83 tech companies responsible for the development of all specifications for HDMI cables and devices, and has been finally released for original equipment manufacturers (OEMs) to integrate it in their devices.

The cable, which is backwards-compatible with other specs, allows for a massive bandwidth of 48 Gb/s.

The new spec supports 8K and even 10K resolutions, but those are better thought of as future-proofing or targeted towards commercial applications. Furthermore, Quick Frame Transport (QFT) reduces latency for smoother no-lag gaming, and real-time interactive virtual reality. Quick media switching (QMS) should get rid of that brief black screen when switching content. Lastly, Auto Low Latency Mode (ALLM) is a feature that sets the ideal latency for smooth, lag-free viewing. More resolution, higher frame rates, and more color depth. (HDMI LA) is the agent appointed by the HDMI Forum to license Version 2.x of the HDMI Specification and is the agent appointed by the HDMI Founders to license all earlier HDMI Specifications.

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